May 1991

May 1991: 1 280 companies

1 may 1991 35 companies

2 may 1991 59 companies

3 may 1991 66 companies

6 may 1991 40 companies

7 may 1991 62 companies

8 may 1991 53 companies

9 may 1991 60 companies

10 may 1991 54 companies

13 may 1991 38 companies

14 may 1991 50 companies

15 may 1991 55 companies

16 may 1991 53 companies

17 may 1991 59 companies

20 may 1991 56 companies

21 may 1991 57 companies

22 may 1991 52 companies

23 may 1991 69 companies

24 may 1991 50 companies

27 may 1991 54 companies

28 may 1991 74 companies

29 may 1991 83 companies

30 may 1991 58 companies

31 may 1991 43 companies